US8937824B2 - Photovoltaic system and method of controlling same - Google Patents
Photovoltaic system and method of controlling same Download PDFInfo
- Publication number
- US8937824B2 US8937824B2 US13/751,220 US201313751220A US8937824B2 US 8937824 B2 US8937824 B2 US 8937824B2 US 201313751220 A US201313751220 A US 201313751220A US 8937824 B2 US8937824 B2 US 8937824B2
- Authority
- US
- United States
- Prior art keywords
- array
- voltage
- inverter
- damping
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
Links
- 238000000034 method Methods 0.000 title claims description 57
- 238000013016 damping Methods 0.000 claims abstract description 110
- 230000005855 radiation Effects 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 230000007704 transition Effects 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003491 array Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000009849 deactivation Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H02J3/383—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- H02M2001/007—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Control Of Electrical Variables (AREA)
Abstract
Description
I GRID =P PV(AVG) /V AC
where PPV(AVG) is the average output power of
I GRID =P PV(AVG) /V AC
where PPV(AVG) is the average output power of
Claims (22)
I GRID =P PV(AVG) /V AC
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/751,220 US8937824B2 (en) | 2013-01-28 | 2013-01-28 | Photovoltaic system and method of controlling same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/751,220 US8937824B2 (en) | 2013-01-28 | 2013-01-28 | Photovoltaic system and method of controlling same |
Publications (2)
Publication Number | Publication Date |
---|---|
US20140211530A1 US20140211530A1 (en) | 2014-07-31 |
US8937824B2 true US8937824B2 (en) | 2015-01-20 |
Family
ID=51222785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/751,220 Active 2033-04-15 US8937824B2 (en) | 2013-01-28 | 2013-01-28 | Photovoltaic system and method of controlling same |
Country Status (1)
Country | Link |
---|---|
US (1) | US8937824B2 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9105765B2 (en) * | 2012-12-18 | 2015-08-11 | Enphase Energy, Inc. | Smart junction box for a photovoltaic system |
JP5679241B1 (en) * | 2013-09-27 | 2015-03-04 | 株式会社京三製作所 | Voltage source DC power supply and control method for voltage source DC power supply |
JP5729732B2 (en) * | 2013-09-27 | 2015-06-03 | 株式会社京三製作所 | DC power supply and control method of DC power supply |
DE102013114271B4 (en) * | 2013-12-18 | 2023-01-12 | Sma Solar Technology Ag | INVERTERS AND METHOD OF OPERATING AN INVERTER |
JP2015188299A (en) * | 2014-03-11 | 2015-10-29 | パナソニックIpマネジメント株式会社 | power converter |
CN105515431A (en) * | 2016-01-28 | 2016-04-20 | 云南电网有限责任公司电力科学研究院 | Photovoltaic grid-connected inverter PI control method |
JP6724681B2 (en) * | 2016-09-20 | 2020-07-15 | オムロン株式会社 | Distributed power system and DC/DC converter |
JP6952245B2 (en) * | 2016-09-30 | 2021-10-20 | パナソニックIpマネジメント株式会社 | Power conversion system |
US10153691B2 (en) * | 2016-10-07 | 2018-12-11 | Laszlo Keszthelyi | Photovoltaic panel power output booster and method |
KR101881730B1 (en) * | 2016-12-14 | 2018-07-25 | 엘에스산전 주식회사 | Method for controlling inverter in solar pump system |
EP3413454A1 (en) | 2017-06-07 | 2018-12-12 | ABB Schweiz AG | Method for operating inverter and inverter arrangement |
CN109617119B (en) * | 2018-12-21 | 2022-05-13 | 华北电力大学 | Current inner ring additional damping control method based on photovoltaic grid-connected system |
CN109687513A (en) * | 2018-12-28 | 2019-04-26 | 协鑫能源工程有限公司 | Photovoltaic plant and its design method |
CN114080748B (en) * | 2020-06-18 | 2023-12-08 | 华为数字能源技术有限公司 | Inverter control method, inverter and photovoltaic power generation system |
JP7130024B2 (en) * | 2020-11-12 | 2022-09-02 | 三菱電機株式会社 | power converter |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4377842A (en) * | 1980-10-06 | 1983-03-22 | International Business Machines Corporation | Flyback voltage control |
US7599196B2 (en) * | 2006-06-06 | 2009-10-06 | Ideal Power Converters, Inc. | Universal power converter |
US20100301676A1 (en) * | 2009-05-28 | 2010-12-02 | General Electric Company | Solar power generation system including weatherable units including photovoltaic modules and isolated power converters |
CN201699453U (en) | 2010-06-12 | 2011-01-05 | 于瑞德 | High-performance charging controller of photovoltaic power generation system |
US7929325B2 (en) * | 2008-05-27 | 2011-04-19 | General Electric Company | High efficiency, multi-source photovoltaic inverter |
EP2362519A2 (en) | 2010-02-26 | 2011-08-31 | General Electric Company | System and Method for a Single Stage Power Conversion System |
US8018748B2 (en) * | 2007-11-14 | 2011-09-13 | General Electric Company | Method and system to convert direct current (DC) to alternating current (AC) using a photovoltaic inverter |
US20120051101A1 (en) * | 2010-08-28 | 2012-03-01 | General Electric Company | Power inverter system and method of starting same at high dc voltage |
US8330299B2 (en) * | 2011-06-29 | 2012-12-11 | General Electric Company | DC to DC power converters and methods of controlling the same |
US20130343099A1 (en) * | 2012-06-21 | 2013-12-26 | Fairchild Korea Semiconductor Ltd. | Active damping circuit, active damping method, power supply device comprising the active damping circuit |
US20140001864A1 (en) * | 2012-06-29 | 2014-01-02 | Prasanna S. Nirantare | System and method for connection of photovoltaic arrays in series and parallel arrangements |
-
2013
- 2013-01-28 US US13/751,220 patent/US8937824B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4377842A (en) * | 1980-10-06 | 1983-03-22 | International Business Machines Corporation | Flyback voltage control |
US7599196B2 (en) * | 2006-06-06 | 2009-10-06 | Ideal Power Converters, Inc. | Universal power converter |
US8018748B2 (en) * | 2007-11-14 | 2011-09-13 | General Electric Company | Method and system to convert direct current (DC) to alternating current (AC) using a photovoltaic inverter |
US7929325B2 (en) * | 2008-05-27 | 2011-04-19 | General Electric Company | High efficiency, multi-source photovoltaic inverter |
US20100301676A1 (en) * | 2009-05-28 | 2010-12-02 | General Electric Company | Solar power generation system including weatherable units including photovoltaic modules and isolated power converters |
EP2362519A2 (en) | 2010-02-26 | 2011-08-31 | General Electric Company | System and Method for a Single Stage Power Conversion System |
CN201699453U (en) | 2010-06-12 | 2011-01-05 | 于瑞德 | High-performance charging controller of photovoltaic power generation system |
US20120051101A1 (en) * | 2010-08-28 | 2012-03-01 | General Electric Company | Power inverter system and method of starting same at high dc voltage |
US8330299B2 (en) * | 2011-06-29 | 2012-12-11 | General Electric Company | DC to DC power converters and methods of controlling the same |
US20130343099A1 (en) * | 2012-06-21 | 2013-12-26 | Fairchild Korea Semiconductor Ltd. | Active damping circuit, active damping method, power supply device comprising the active damping circuit |
US20140001864A1 (en) * | 2012-06-29 | 2014-01-02 | Prasanna S. Nirantare | System and method for connection of photovoltaic arrays in series and parallel arrangements |
Also Published As
Publication number | Publication date |
---|---|
US20140211530A1 (en) | 2014-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8937824B2 (en) | Photovoltaic system and method of controlling same | |
US8836162B2 (en) | Inverter for photovoltaic systems | |
US9780564B2 (en) | Dual-input inverter and method of controlling same | |
US9923481B2 (en) | Photovoltaic system and method for controlling the same | |
US8897040B2 (en) | Power converter systems and methods of operating a power converter system | |
JP5882845B2 (en) | Power storage type solar power generation system | |
US20190334377A1 (en) | Uninterruptible power supply system and uninterruptible power supply apparatus | |
JP6063031B2 (en) | Power conditioner and control method thereof | |
EP2991183B1 (en) | Charging and discharging system and method, and photovoltaic power generation system | |
US9948211B2 (en) | System and method for controlling the operating area of an inverter coupled to an alternative energy source | |
WO2013118376A1 (en) | Power supply system and charging/discharging power conditioner used for same | |
US11532985B2 (en) | Switching circuits having multiple operating modes and associated methods | |
WO2019245724A1 (en) | Intelligent tri-mode solid state circuit breakers | |
WO2017169665A1 (en) | Power conditioner, power supply system, and current control method | |
AU2020466101A1 (en) | Photovoltaic device, photovoltaic inverter, system, and power limit control method | |
Wang et al. | Series and shunt DC electric springs | |
JP4123006B2 (en) | Solar power system | |
JP6232912B2 (en) | Power conditioner for photovoltaic power generation | |
EP2991209B1 (en) | Method for controlling shutdown of photovoltaic inverters, system thereof, and photovoltaic power generation system | |
KR20080005273A (en) | Method for operating an inverter comprising an upstream step-up device | |
JP6242128B2 (en) | Power converter | |
Seo et al. | DC islanding detection algorithm using injection current perturbation technique for photovoltaic converters in DC distribution | |
CN113746170A (en) | Energy storage system and off-grid overload protection method thereof | |
JP6296878B2 (en) | Grid-connected inverter and generated power estimation method | |
Pichlík et al. | Converter regulation of stand-alone photovoltaic system at low solar radiation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: EATON CORPORATION, OHIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHEN, JIH-SHENG;CHEN, HUNG-KUANG;WENG, JUNG-HUA;REEL/FRAME:029701/0787 Effective date: 20130128 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551) Year of fee payment: 4 |
|
AS | Assignment |
Owner name: EATON INTELLIGENT POWER LIMITED, IRELAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:EATON CORPORATION;REEL/FRAME:048855/0626 Effective date: 20171231 |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 8 |